[Elecraft] K3 filter problems

Jim Hoge knowkode at sbcglobal.net
Sun Nov 23 17:39:38 EST 2008


Greetings,
 
I seem to have a problem with either how I set up my K3 or with the filters. When first built  the radio, I had only the stock 2.7 filter in it. I noticed that the receive audio began to ring and sound hollow when the bandwidth was reduced to about 1K. I now have the 1K filter in position 3 and the 400Hz filter in position 4. (I may add a narrow phone filter in the future in position 2.) Filter widths are configured at 1K and 400 respectively. All filters are enabled for both cw and digital. I note that the filter in use does coincide with selected bandwidth but again, as I narrow down to 1K or tighter, the received sound is still hollow and ringy. BTW, only the 400 Hz filter has gain added in the configure menu to offset its loss. Have I done something wrong?
 
Tnx,
Jim W5QM
#1816
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